Block the HTML parser on external stylesheets

third_party/WebKit/Source/core/html/parser/HTMLDocumentParser.h

 /*
  * Copyright (C) 2010 Google, Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 119 matching lines @@
         return adoptRefWillBeNoop(new HTMLDocumentParser(fragment, contextElement, parserContentPolicy));
     }
 
     // DocumentParser
     void detach() final;
     bool hasInsertionPoint() final;
     bool processingData() const final;
     void prepareToStopParsing() final;
     void stopParsing() final;
     bool isWaitingForScripts() const final;
+    bool isWaitingForStyles() const;
+    bool isWaitingForImports() const;
+    bool isWaitingForBlockingResource() const;
     bool isExecutingScript() const final;
     void executeScriptsWaitingForResources() final;
 
     // HTMLScriptRunnerHost
     void notifyScriptLoaded(Resource*) final;
     HTMLInputStream& inputStream() final { return m_input; }
     bool hasPreloadScanner() const final { return m_preloadScanner.get() && !shouldUseThreading(); }
     void appendCurrentInputStreamToPreloadScannerAndScan() final;
 
     void startBackgroundParser();
     void stopBackgroundParser();
     void validateSpeculations(PassOwnPtr<ParsedChunk> lastChunk);
     void discardSpeculationsAndResumeFrom(PassOwnPtr<ParsedChunk> lastChunk, PassOwnPtr<HTMLToken>, PassOwnPtr<HTMLTokenizer>);
     size_t processParsedChunkFromBackgroundParser(PassOwnPtr<ParsedChunk>);
     void pumpPendingSpeculations();
 
     Document* contextForParsingSession();
 
     bool canTakeNextToken();
     void pumpTokenizer();
     void pumpTokenizerIfPossible();
     void constructTreeFromHTMLToken();
     void constructTreeFromCompactHTMLToken(const CompactHTMLToken&);
 
     void runScriptsForPausedTreeBuilder();
-    void resumeParsingAfterScriptExecution();
+    void resumeParsingAfterBlock();
 
     void attemptToEnd();
     void endIfDelayed();
     void attemptToRunDeferredScriptsAndEnd();
     void end();
 
     bool shouldUseThreading() const { return m_shouldUseThreading; }
 
     bool isParsingFragment() const;
     bool isScheduledForResume() const;
@@ skipping 11 matching lines @@
     OwnPtrWillBeMember<HTMLTreeBuilder> m_treeBuilder;
     OwnPtr<HTMLPreloadScanner> m_preloadScanner;
     OwnPtr<HTMLPreloadScanner> m_insertionPreloadScanner;
     OwnPtr<WebTaskRunner> m_loadingTaskRunner;
     OwnPtrWillBeMember<HTMLParserScheduler> m_parserScheduler;
     HTMLSourceTracker m_sourceTracker;
     TextPosition m_textPosition;
     XSSAuditor m_xssAuditor;
     XSSAuditorDelegate m_xssAuditorDelegate;
 
-    // FIXME: m_lastChunkBeforeScript, m_tokenizer, m_token, and m_input should be combined into a single state object
+    // FIXME: m_lastChunkBeforeBlockingResource m_tokenizer, m_token, and m_input should be combined into a single state object
     // so they can be set and cleared together and passed between threads together.
-    OwnPtr<ParsedChunk> m_lastChunkBeforeScript;
+    OwnPtr<ParsedChunk> m_lastChunkBeforeBlockingResource;
     Deque<OwnPtr<ParsedChunk>> m_speculations;
     WeakPtrFactory<HTMLDocumentParser> m_weakFactory;
     WeakPtr<BackgroundHTMLParser> m_backgroundParser;
     OwnPtrWillBeMember<HTMLResourcePreloader> m_preloader;
     PreloadRequestStream m_queuedPreloads;
     RefPtr<ParsedChunkQueue> m_parsedChunkQueue;
 
     bool m_shouldUseThreading;
     bool m_endWasDelayed;
     bool m_haveBackgroundParser;
     bool m_tasksWereSuspended;
     unsigned m_pumpSessionNestingLevel;
     unsigned m_pumpSpeculationsSessionNestingLevel;
     bool m_isParsingAtLineNumber;
 };
 
 } // namespace blink
 
 #endif